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Uncertain database

An uncertain database is a kind of database studied in database theory. The goal of uncertain databases is to manage information on which there is some uncertainty. Uncertain databases make it possible to explicitly represent and manage uncertainty on the data, usually in a succinct way.

Products, Types of uncertain databases & Formal definition

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Types of uncertain databases

NULLProbabilistic databasesProbability distributionFuzzy databasesFuzzy set
11 related topics

Formal definition

Possible world
1 related topics

Overview

DatabaseDatabase theoryUncertaintySuccinct
4 related topics

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Overview

Formal definition

Types of uncertain databases

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Map overview Semantic statistics

Uncertain database

Nodes20
Edges19
Triples10
Avg. degree1.9
Density0.1
Components1

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Uncertain database

Top relations

related to Types of uncertain databases · 6
Uncertain database → Fuzzy, Incomplete, NULL, Probabilistic, SQL, Uncertain
related to Formal definition · 2
Uncertain database → At, Specifically
is a · 1
Uncertain database → kind of database studied in database theory

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Important terminology

uncertain database databases possible worlds incomplete uncertainty set represent manage relational world one models compact representation model studied example null

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Uncertain databaseis akind of database studied in database theory0.90text
graph databases or XML databases.Incomplete databaseThe most common database model is the relational modelinstance ofuncertain database models can also be defined in other relational models0.80text
Uncertain databaserelated to Formal definitionAt0.60section
Uncertain databaserelated to Formal definitionSpecifically0.60section
Uncertain databaserelated to Types of uncertain databasesUncertain0.60section
Uncertain databaserelated to Types of uncertain databasesIncomplete0.60section
Uncertain databaserelated to Types of uncertain databasesNULL0.60section
Uncertain databaserelated to Types of uncertain databasesSQL0.60section
Uncertain databaserelated to Types of uncertain databasesProbabilistic0.60section
Uncertain databaserelated to Types of uncertain databasesFuzzy0.60section

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